call time vs conclude

call time

verb
  • To end something. 

  • To announce the closing of a pub for the day. 

  • To call a timeout. 

  • To indicate that an activity, especially the taking of a test, is complete. 

noun
  • The expected time of arrival for participants in a performance event, e.g., a play or concert. 

conclude

verb
  • To bring to an end; to close; to finish. 

  • To shut off; to restrain; to limit; to estop; to bar; generally in the passive. 

  • To come to a conclusion, to a final decision. 

  • To end; to come to an end. 

  • to deduce, to infer (develop a causal relation) 

  • To bring about as a result; to effect; to make. 

How often have the words call time and conclude occurred in a corpus of books? (source: Google Ngram Viewer )